The migration of Zn species on Zn/ZSM-5 catalyst during the process of ethylene aromatization

Author:

Geng Rui12,Liu Yacong12,Gao Jie12,Guo Yanxia12,Dong Mei1ORCID,Wang Sen1ORCID,Fan Weibin1ORCID,Wang Jianguo1ORCID,Qin Zhangfeng1ORCID

Affiliation:

1. State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences, Taiyuan 030001, Shanxi, China

2. University of Chinese Academy of Sciences, Beijing 100049, China

Abstract

The Zn species in the Zn/ZSM-5 catalyst undergo reciprocal transformation of ZnO clusters and ZnOH+ during the ethylene aromatization process. They then migrate to form large-grain ZnO on the outer surface, and finally lost as Zn vapor.

Funder

National Natural Science Foundation of China

National Key Research and Development Program of China

Chinese Academy of Sciences

Natural Science Foundation of Shanxi Province

State Key Laboratory of Coal Conversion, Institute of Coal Chemistry, Chinese Academy of Sciences

Publisher

Royal Society of Chemistry (RSC)

Subject

Catalysis

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